DAY 258

Today’s Challenge

Our arithmetic and strategy board game, Mathematically Possible, uses three dice involving numbers from 1 to 6, but larger numbers can be utilised if special dice are used, just as in this challenge.

Use the numbers 2, 4 and 10 once each with + – × ÷ available, list the 14 target numbers from 1-30 that are mathematically possible to achieve.

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The 7puzzle Challenge

The playing board of the 7puzzle game is a 7-by-7 grid of 49 different numbers, ranging from up to 84.

The 3rd & 7th rows contain the following fourteen numbers:

4     11     13     24     25     27     30     36     42     45     66     70     77     80

What is the difference between the two prime numbers listed?

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Answers

. . . can be found when clicking this.

7puzzleblog

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